/* =========================================================================
   ENKO — Кліматична техніка (HVAC). Design system / shared stylesheet.
   Brand: indigo → violet. Reference structure: klimavex (clean, airy).
   Fonts: Exo 2 (headings) + Inter (body/specs). One dominant accent + air.
   ========================================================================= */

/* ---------- TOKENS ---------- */
:root{
  /* palette */
  --indigo-deep:#22325E;
  --indigo-dark:#1F3A6E;
  --indigo-2:#3E3F86;
  --violet:#6E54A6;
  --violet-light:#A487C6;
  --magenta:#7A4FB0;
  --steel:#5E83AC;

  --bg:#F7F8FB;
  --card:#FFFFFF;
  --ink:#1A1F2D;
  --muted:#5B6472;
  --border:#E6E9F0;

  --sale:#E5484D;
  --success:#2FA36B;

  --grad: linear-gradient(125deg, #1F3A6E 0%, #3E3F86 45%, #6E4AA6 100%);
  --grad-soft: linear-gradient(125deg, rgba(31,58,110,.96) 0%, rgba(62,63,134,.92) 50%, rgba(110,74,166,.94) 100%);

  /* CTA — switchable via Tweaks (default on-brand violet) */
  --cta:#6E54A6;
  --cta-ink:#ffffff;
  --cta-hover:#5d4691;

  /* radii */
  --r-card:16px;
  --r-input:10px;
  --r-badge:8px;
  --r-pill:999px;

  /* shadows */
  --sh-card:0 6px 24px rgba(26,31,45,.06);
  --sh-hover:0 14px 36px rgba(26,31,45,.12);
  --sh-pop:0 24px 60px rgba(26,31,45,.22);

  /* layout */
  --container:1280px;
  --gutter:24px;

  /* type */
  --f-head:"Exo 2", "Saira", system-ui, sans-serif;
  --f-body:"Inter", system-ui, -apple-system, sans-serif;
}

/* ---------- RESET / BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth }
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--f-head);margin:0;line-height:1.12;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;border-radius:6px}

/* ---------- LAYOUT HELPERS ---------- */
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:88px}
.section--tight{padding-block:56px}
.stack-sm{display:flex;flex-direction:column;gap:10px}

.eyebrow{
  font-family:var(--f-body);
  font-weight:600;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--violet);margin:0 0 14px;
  display:inline-flex;align-items:center;gap:9px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--violet);border-radius:2px}

.section-head{max-width:680px;margin-bottom:40px}
.section-head h2{font-size:clamp(28px,3.4vw,38px);font-weight:700;letter-spacing:-.02em}
.section-head p{color:var(--muted);margin-top:14px;font-size:17px;text-wrap:pretty}
.section-head--center{margin-inline:auto;text-align:center}
.section-head--center .eyebrow::before{display:none}
.section-head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;max-width:none}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--f-head);font-weight:600;font-size:16px;
  border-radius:var(--r-pill);
  padding:0 26px;height:52px;white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn svg{width:19px;height:19px}
.btn--primary{background:var(--cta);color:var(--cta-ink);box-shadow:0 6px 18px rgba(110,84,166,.28)}
.btn--primary:hover{background:var(--cta-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(110,84,166,.34)}
.btn--ghost{background:transparent;color:var(--violet);border:1.5px solid var(--border)}
.btn--ghost:hover{border-color:var(--violet);background:rgba(110,84,166,.06)}
.btn--on-hero{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn--on-hero:hover{background:rgba(255,255,255,.18);border-color:#fff}
.btn--white{background:#fff;color:var(--indigo-deep)}
.btn--white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn--m{height:44px;font-size:15px;padding:0 20px}
.btn--s{height:38px;font-size:14px;padding:0 16px}
.btn--block{width:100%}
/* per-SKU qty badge inside the "Додати в заявку" button */
.btn-incart{display:inline-flex;align-items:center;gap:5px;margin-left:9px;padding:2px 9px 2px 7px;border-radius:999px;background:rgba(255,255,255,.22);font-family:var(--f-head);font-weight:800;font-size:13px;font-variant-numeric:tabular-nums;line-height:1.5}
.btn-incart[hidden]{display:none}
.btn-incart svg{width:15px;height:15px;flex:none}
.btn-incart.is-bump{animation:incart-bump .32s ease}
@keyframes incart-bump{0%{transform:scale(1)}40%{transform:scale(1.22)}100%{transform:scale(1)}}

/* ---------- PLACEHOLDER (images supplied by client later) ---------- */
.ph{
  position:relative;overflow:hidden;
  background:
    repeating-linear-gradient(45deg, #eef1f6 0 11px, #e6e9f0 11px 22px);
  display:grid;place-items:center;color:#8b93a4;
  font-family:ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size:12px;letter-spacing:.02em;text-align:center;padding:14px;
}
.ph span{
  background:rgba(255,255,255,.78);padding:5px 12px;border-radius:6px;
  border:1px solid rgba(139,147,164,.25);backdrop-filter:blur(2px);
}

/* ---------- BADGES / PILLS ---------- */
.spec-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--indigo-2);
  background:rgba(110,84,166,.08);border:1px solid rgba(110,84,166,.16);
  padding:5px 12px;border-radius:var(--r-pill);white-space:nowrap;
}
.spec-badge svg{width:14px;height:14px;stroke:var(--violet)}
.badge-flag{
  position:absolute;top:14px;left:14px;z-index:2;display:flex;gap:7px;flex-wrap:wrap;
}
.flag{
  font-size:11px;font-weight:700;letter-spacing:.02em;color:#fff;
  background:var(--indigo-2);padding:4px 9px;border-radius:6px;
  display:inline-flex;align-items:center;gap:4px;box-shadow:0 2px 6px rgba(26,31,45,.18);
}
.flag svg{width:12px;height:12px;stroke:#fff}
.flag--sale{background:var(--sale)}
.flag--new{background:var(--success)}

/* ---------- PRODUCT CARD ---------- */
.prod-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-card);transition:transform .2s ease, box-shadow .2s ease;
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover)}
.prod-card__media{position:relative;aspect-ratio:4/3;background:#fff}
.prod-card__media .ph{position:absolute;inset:0}
.prod-card__media-link{position:absolute;inset:0;display:block;z-index:1;cursor:pointer}
.prod-card__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.prod-card__name{font-family:var(--f-head);font-weight:700;font-size:19px}
.prod-card__name a:hover{color:var(--violet)}
.prod-card__minispec{font-size:13.5px;color:var(--muted);font-weight:500}
.prod-card__badges{display:flex;gap:7px;flex-wrap:wrap}
.prod-card__foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:12px 14px;padding-top:6px;flex-wrap:wrap}
.prod-card__foot .price{flex:1 1 auto}
.prod-card__foot .btn{flex:0 0 auto}
.prod-card__btns{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card-add{height:38px;padding:0 16px;border-radius:11px;background:var(--cta);color:var(--cta-ink);display:inline-flex;align-items:center;justify-content:center;gap:7px;font-family:var(--f-head);font-weight:600;font-size:14px;white-space:nowrap;flex:none;transition:transform .15s, background .15s, box-shadow .15s;box-shadow:0 4px 12px rgba(110,84,166,.26)}
.card-add:hover{background:var(--cta-hover);transform:translateY(-2px);box-shadow:0 8px 18px rgba(110,84,166,.32)}
.card-add svg{width:18px;height:18px;flex:none}

/* dual price */
.price{display:flex;flex-direction:column;gap:1px;line-height:1.1}
.price__label{font-size:11px;color:var(--muted);font-weight:500}
.price__main{font-family:var(--f-head);font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}
.price__row{flex-wrap:wrap}
.price__row{display:flex;align-items:baseline;gap:9px}
.price__uah{font-size:24px;color:var(--ink)}
.price__eur{font-size:15px;color:var(--muted);font-weight:600}
.price--lg .price__uah{font-size:40px;letter-spacing:-.02em}
.price--lg .price__eur{font-size:20px}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--indigo-deep);color:#cfd6e6;margin-top:8px}
.site-footer a{color:#cfd6e6}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-block:64px}
.footer-logo{height:34px;width:auto;margin-bottom:18px}
.footer-about{font-size:14px;color:#9aa6c2;max-width:300px;line-height:1.6}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;font-family:var(--f-head);letter-spacing:.01em}
.footer-col li{margin-bottom:10px;font-size:14.5px}
.footer-contacts li{display:flex;align-items:flex-start;gap:10px}
.footer-contacts li a{display:flex;align-items:center;gap:10px}
.footer-contacts li a:hover svg{stroke:#fff}
.footer-contacts svg{width:17px;height:17px;stroke:var(--violet-light);flex:none;margin-top:2px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding-block:22px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:#8e9abd}
.footer-bottom .legal{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .legal a:hover{color:#fff}

/* ---------- MODAL / POPUP ---------- */
.modal{
  position:fixed;inset:0;z-index:200;display:none;
  align-items:center;justify-content:center;padding:20px;
}
.modal.open{display:flex}
.modal__overlay{position:absolute;inset:0;background:rgba(26,31,45,.55);backdrop-filter:blur(3px);animation:fade .2s ease}
.modal__panel{
  position:relative;background:#fff;border-radius:20px;width:min(480px,100%);
  padding:36px;box-shadow:var(--sh-pop);animation:pop .24s cubic-bezier(.2,.8,.2,1);
  max-height:92vh;overflow:auto;
}
.modal__panel h3{font-size:24px;font-weight:700}
.modal__sub{color:var(--muted);font-size:14.5px;margin-top:8px}
.modal__close{
  position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;color:var(--muted);transition:background .15s;
}
.modal__close:hover{background:var(--bg);color:var(--ink)}
.modal__close svg{width:20px;height:20px}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}

/* form */
.field{display:flex;flex-direction:column;gap:6px;margin-top:16px}
.field label{font-size:13px;font-weight:600;color:var(--ink)}
.field input,.field textarea{
  font-family:inherit;font-size:15px;color:var(--ink);
  border:1px solid var(--border);border-radius:var(--r-input);
  padding:12px 14px;background:#fff;transition:border-color .15s, box-shadow .15s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(110,84,166,.12)}
.field textarea{resize:vertical;min-height:84px}
/* «Питання» у модалці «Запитати спеціаліста»: не розширюється за межі вікна, скрол усередині поля */
#f-q{max-height:200px;overflow-y:auto;max-width:100%;box-sizing:border-box}
.form-product-tag{
  display:flex;align-items:center;gap:10px;background:var(--bg);
  border:1px solid var(--border);border-radius:12px;padding:10px 14px;margin-top:18px;font-size:13.5px;
}
.form-product-tag b{color:var(--ink)}
.form-ok{
  display:none;text-align:center;padding:14px 0 4px;color:var(--success);font-weight:600;
}

/* ---------- TOAST ---------- */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);
  background:var(--indigo-deep);color:#fff;padding:13px 20px;border-radius:12px;
  display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:500;
  box-shadow:var(--sh-pop);opacity:0;pointer-events:none;transition:all .3s ease;z-index:250;
}
.toast svg{width:18px;height:18px;stroke:var(--success)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- ACCESSIBILITY ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* ---------- RESPONSIVE BASE ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding-block:64px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .section{padding-block:48px}
}